#include "stdio_impl.h"
+#undef stderr
+
static unsigned char buf[UNGET];
-static FILE f = {
+hidden FILE __stderr_FILE = {
.buf = buf+UNGET,
.buf_size = 0,
.fd = 2,
.flags = F_PERM | F_NORD,
+ .lbf = -1,
.write = __stdio_write,
.seek = __stdio_seek,
.close = __stdio_close,
+ .lock = -1,
};
-FILE *const stderr = &f;
+FILE *const stderr = &__stderr_FILE;
+FILE *volatile __stderr_used = &__stderr_FILE;